MX GA-77 looses memory

Hello,

My MX GA-77 sometimes looes the memory, which means that the display flashes "--:--" and the clock and all stored radio stations are lost. Before, you can hear the click that you hear when you turn the System on. If the unit is in ECO-Mode (energy saving mode where only the standby led is lit)and the error occurs, than I can't turn it on with any button. I have to replace the power cord. The problem appears sporadical. From about a few hours to a few days.

Another annoying fault with the unit is that sometimes the display demonstration appears itself, although I didn't press the demo button at all.

Most of these type of stereo systems have a built in battery that enables a user to store radio stations and set the clock, timer, etc. In your case, however, I'm not too sure whether or not the battery is onboard(inbuilt) or external generally 'AA' or 'AAA' type or even a button cell CR2032 or CR2025. Check forthis first i.e. whether the battery has completed its usage life if its an external one. Next, there is a small device called a relay in the power supply section of your unit. The internal connections responsible for connecting all required circuits simultaneously may be malfunctioning. This can only be rectified by changing the relay.
Another possibilty is that there may be breakage in your power supply chord due to which - even if you may be keeping your unit on Stand-by mode, but because of the internal breakage, it looses power and therefore you loose your settings. Another possibility is there may be a loose contact in the mains plug socket end or the mains chord unit plug-up end. So now you get the picture somewhat. Another possibility is that the soft touch front pannel buttons have caught corrossion (because mostly people tend to use more of their remote control than the front panel buttons) with the result they shor intermitently thus causing the settings to reset or go haywire. Check all of the above. (You will not be able to change the tiny front panel buttons so refer it to an authorised service center)
Good luck.

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Related Questions:

Usually means the power for the memory circuit is not good.
Most clocks- radios have a memory power circuit and a power circuit for the display. You are probably loosing your stations too.
If the memory circuit is good, the problem may be in the clock.

To set time on TEAC CD Receiver LT1Press Memory/Clock Adjust button until numbers flash.First display is 24/12 for choice. Change with >>> button.Press Memory/Clock Adjust button again and Hours digit
flashes. Set with >>> or <<<.Press Memory/Clock Adjust button again and Minute digit
flashes. Set with >>> or <<<In 12 hour mode "PM" will be displayed

When you find a frequency that you want to store in memory, press one of pre- set tuning buttons 1through 6 and hold until the preset number stops flashing. The number you have pressed will flash in the preset number indicator and then remain lit. The selected radio station frequency has been stored in memory. The next time you press the same preset tun- ing button the radio station frequency is re- called from memory.

How do I set the clock?
A5
There are several methods to set the clock, depending on the model.

Method 1Press and hold the BAND and DISPLAY buttons to display the clock Press and hold the BAND and DISPLAY buttons until the time display flashes SEARCH left to adjust the hours; right to adjust the minutes Press BAND button to store the time Method 2Same as Method 1, except press DISP to store the time Method 3Press ADJ SEARCH left or right to select clock and press ENT SEARCH left or right to select the hour or minute Turn rotary knob clockwise or counter-clockwise to set the correct time Press enter to store the time Press ADJ to return to the previous mode Method 4Press and hold the BAND and FUNCTION buttons to display the clock Press and hold the BAND and FUNCTION buttons until the display flashes Search left to adjust hours; right to adjust minutes Press BAND button to store the time Method 5While the display is showing the clock, press and hold the CLOCK knob until the minutes flash Press the CLOCK knob to adjust the minutes When the CLOCK knob is released for 5 seconds, the hours will flash Press the CLOCK knob to adjust the hours When the CLOCK knob is released for 5 seconds, the time will be stored
How do I set the clock?
A5
There are several methods to set the clock, depending on the model.

Method 1Press and hold the BAND and DISPLAY buttons to display the clock Press and hold the BAND and DISPLAY buttons until the time display flashes SEARCH left to adjust the hours; right to adjust the minutes Press BAND button to store the time Method 2Same as Method 1, except press DISP to store the time Method 3Press ADJ SEARCH left or right to select clock and press ENT SEARCH left or right to select the hour or minute Turn rotary knob clockwise or counter-clockwise to set the correct time Press enter to store the time Press ADJ to return to the previous mode Method 4Press and hold the BAND and FUNCTION buttons to display the clock Press and hold the BAND and FUNCTION buttons until the display flashes Search left to adjust hours; right to adjust minutes Press BAND button to store the time Method 5While the display is showing the clock, press and hold the CLOCK knob until the minutes flash Press the CLOCK knob to adjust the minutes When the CLOCK knob is released for 5 seconds, the hours will flash Press the CLOCK knob to adjust the hours When the CLOCK knob is released for 5 seconds, the time will be stored
How do I set the clock?
A5
There are several methods to set the clock, depending on the model.

Method 1Press and hold the BAND and DISPLAY buttons to display the clock Press and hold the BAND and DISPLAY buttons until the time display flashes SEARCH left to adjust the hours; right to adjust the minutes Press BAND button to store the time Method 2Same as Method 1, except press DISP to store the time Method 3Press ADJ SEARCH left or right to select clock and press ENT SEARCH left or right to select the hour or minute Turn rotary knob clockwise or counter-clockwise to set the correct time Press enter to store the time Press ADJ to return to the previous mode Method 4Press and hold the BAND and FUNCTION buttons to display the clock Press and hold the BAND and FUNCTION buttons until the display flashes Search left to adjust hours; right to adjust minutes Press BAND button to store the time Method 5While the display is showing the clock, press and hold the CLOCK knob until the minutes flash Press the CLOCK knob to adjust the minutes When the CLOCK knob is released for 5 seconds, the hours will flash Press the CLOCK knob to adjust the hours When the CLOCK knob is released for 5 seconds, the time will be stored
How do I set the clock?
A5
There are several methods to set the clock, depending on the model.

Method 1Press and hold the BAND and DISPLAY buttons to display the clock Press and hold the BAND and DISPLAY buttons until the time display flashes SEARCH left to adjust the hours; right to adjust the minutes Press BAND button to store the time Method 2Same as Method 1, except press DISP to store the time Method 3Press ADJ SEARCH left or right to select clock and press ENT SEARCH left or right to select the hour or minute Turn rotary knob clockwise or counter-clockwise to set the correct time Press enter to store the time Press ADJ to return to the previous mode Method 4Press and hold the BAND and FUNCTION buttons to display the clock Press and hold the BAND and FUNCTION buttons until the display flashes Search left to adjust hours; right to adjust minutes Press BAND button to store the time Method 5While the display is showing the clock, press and hold the CLOCK knob until the minutes flash Press the CLOCK knob to adjust the minutes When the CLOCK knob is released for 5 seconds, the hours will flash Press the CLOCK knob to adjust the hours When the CLOCK knob is released for 5 seconds, the time will be stored
How do I set the clock?
A5
There are several methods to set the clock, depending on the model.

Method 1Press and hold the BAND and DISPLAY buttons to display the clock Press and hold the BAND and DISPLAY buttons until the time display flashes SEARCH left to adjust the hours; right to adjust the minutes Press BAND button to store the time Method 2Same as Method 1, except press DISP to store the time Method 3Press ADJ SEARCH left or right to select clock and press ENT SEARCH left or right to select the hour or minute Turn rotary knob clockwise or counter-clockwise to set the correct time Press enter to store the time Press ADJ to return to the previous mode Method 4Press and hold the BAND and FUNCTION buttons to display the clock Press and hold the BAND and FUNCTION buttons until the display flashes Search left to adjust hours; right to adjust minutes Press BAND button to store the time Method 5While the display is showing the clock, press and hold the CLOCK knob until the minutes flash Press the CLOCK knob to adjust the minutes When the CLOCK knob is released for 5 seconds, the hours will flash Press the CLOCK knob to adjust the hours When the CLOCK knob is released for 5 seconds, the time will be stored
go to this web site for any thing about ur stereo http://www.clarion.com/us/en/support/faq/Audio/index.html

the radio and clock needs two voltage supplies. one is connected B+ ( means always has voltage even when off) usually red wire and ACC+( means it is supplied only when you switch to acc position) usually orange wire. the red B+ wire supplies the memory for this devices. you might have a loose wire in that circuit

Hello ptcruiser 1, I don't have one of those radios right here in front of me, but if I remember correctly the knobs are 6mm. I'm trying to remember for sure but I know their not 5mm, that's the size of most Cobra's. It's been over a year since I've had my store open, so I'm working from memory. That's the best I've got,,, Mechanic

to set the 5 main presets:
with radio on, use the manual tuner to find station you want on a preset. push and release mem/clock adj button (mem will flash on display), push preset number and while holding it in push the mem/clock adj button again (mem on display will go away). station is now preset to that number.

to set the 5 additional presets:
with radio on, use the manual tuner to find station you want on a preset. push and release the +5 button (+5 will flash on display), push and release mem/clock adj button (mem will also flash on display), push preset number and while holding it in push the mem/clock adj button again (mem on display will go away). station is now preset to that +5 number.

to set the digital clock display:
with radio off, push and release the mem/clock adj button (clock display will now flash), use the tun up / hr part of manual tuning button to adjust hour and the tun dn / min part to adjust minutes.

I did not find my manual, but this worked for me. Set the clock to be a 24 hour clock by pressing and holding the Memory/Clock Adj button. The display will show 24h or 12h. Use the fast forward button to change from 12h to 24h. Press the Memory/Clock Adj button again and use the fast or reverse forward buttons to change the time to read, for example, 13:00 instead of 1:00 if the time is 1pm. Press the Memory/Clock Adj button again to set the minutes.When you are done setting the time, press and hold the Timer/Sleep button. Either a time or "0:00" will appear in the display with the word "TIMER" flashing above it. Quickly press and hold the Memory/Clock Adj button until the first digit in the time starts flashing. Set the hour that you wish the alarm to sound using the fast or reverse forward buttons, just like you do for setting the time. Press the Memory/Clock Adj button again to set the minutes, and one more time to finish. The word "TIMER" will stop flashing and go solid, and the display will return to the time of day. When the alarm sounds, you can hit Snooze which will give you 5 more minutes, or you can turn the Clock Radio off. Pressing the Timer/Sleep button again will turn off the timer (alarm) and pressing and holding it again after that will turn it back on.